package lab02.test32;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by ASUS on 2017/11/9.
 */
public class Test {
    public static void main(String[] args) {
        Map<String,String> map=new HashMap<>();
        map.put("id","1");
        map.put("name","张三");
        map.put("gender","男");
        map.put("age","25");
        map.put("love","爱学java");
        for (Map.Entry<String,String>entry:map.entrySet()){
            System.out.println(entry.getKey());
            System.out.println(entry.getValue()+":"+entry.getValue());

        }
        System.out.println("集合的大小："+map.size());
        for(Map.Entry<String,String>entry:map.entrySet()){
            if(entry.getKey().equals("age")){
                map.remove(entry.getKey());
            }

        }
        System.out.println("集合的元素："+map.entrySet());
    }
}
